| ASA STANDARD CHAIN NUMBER | 80 |
| BORE DIAMETER | 0.750 INCHES NOMINAL |
| BORE LENGTH | 2.750 INCHES NOMINAL |
| BORE TYPE | STRAIGHT |
| DESIGN FORM | PLAIN |
| FURNISHED ITEMS AND QUANTITY | SETSCREW,FOUR EACH |
| FURNISHED ITEMS | BORE BEARING |
| FACE WIDTH | 0.575 INCHES NOMINAL |
| FIRST STEP DIAMETER | 1.850 INCHES NOMINAL BOTH ENDS |
| FIRST STEP LENGTH | 0.438 INCHES NOMINAL BOTH ENDS |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 1.180 INCHES NOMINAL BOTH ENDS |
| LUBRICATION MODE | NO VISIBLE MEANS |
| OUTSIDE DIAMETER | 5.310 INCHES NOMINAL |
| OVERALL LENGTH | 2.750 INCHES NOMINAL |
| MATERIAL | STEEL |
| PITCH DIAMETER | 4.810 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| SECOND STEP DIAMETER | 3.0000 INCHES NOMINAL BB END |
| SECOND STEP DIAMETER | 3.250 INCHES NOMINAL AA END |
| SECOND STEP LENGTH | 0.188 INCHES NOMINAL BOTH ENDS |
| SECURING LOCATION | BOTH ENDS |
| SECURING METHOD | SETSCREW |
| SPECIAL FEATURES | SETSCREWS CENTERED 0.188 IN. FROM END OF HUB,120 DEGS APART |
| STYLE DESIGNATOR | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 15 |
| THIRD STEP LENGTH AND LOCATION | 0.462 INCHES NOMINAL BOTH ENDS |
| TOOTH PITCH | 1.000 INCHES NOMINAL |